diff options
Diffstat (limited to 'lib/libdisk/disklabel.c')
-rw-r--r-- | lib/libdisk/disklabel.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/lib/libdisk/disklabel.c b/lib/libdisk/disklabel.c new file mode 100644 index 0000000..96469ea --- /dev/null +++ b/lib/libdisk/disklabel.c @@ -0,0 +1,32 @@ +/* + * ---------------------------------------------------------------------------- + * "THE BEER-WARE LICENSE" (Revision 42): + * <phk@FreeBSD.org> wrote this file. As long as you retain this notice you + * can do whatever you want with this stuff. If we meet some day, and you think + * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp + * ---------------------------------------------------------------------------- + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <sys/disklabel.h> +#include "libdisk.h" + +struct disklabel * +read_disklabel(int fd, daddr_t block, u_long sector_size) +{ + struct disklabel *dp; + + dp = (struct disklabel *) read_block(fd, block, sector_size); + if (dp->d_magic != DISKMAGIC) + return 0; + if (dp->d_magic2 != DISKMAGIC) + return 0; + if (dkcksum(dp) != 0) + return 0; + return dp; +} |